1.GSM 850/900/1800/1900MHZ. 2.Support voice, FAX G3 and ... . Operation with wide voltage and low power consumption.16. Using SIEMENS module. Shenzhen Taifeng Network Equipment Co, Ltd. is a manufacturer ... divided into sixteen category, including wireless telephone, GSM terminal, wireless network card, PBX related to GSM, CDMA, TD-SCDM, WCDMA. Since the ...